Last change
on this file since 3657 was 3621, checked in by Bruno Cornec, 8 years ago |
New 3?3 banch for incorporation of latest busybox 1.25. Changing minor version to handle potential incompatibilities.
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Property svn:executable
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*
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File size:
1.1 KB
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Rev | Line | |
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[2725] | 1 | #!/bin/sh
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| 2 |
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[3621] | 3 | # How often to test, seconds
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| 4 | ping_time=67
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| 5 | # "One ping, must have reply in 1 sec"
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| 6 | ping_opts="-c1 -W1 -w1"
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| 7 | # If ping failed, how soon to retry
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| 8 | retry_time=5
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| 9 | # Reinit after this many consecutive ping error
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| 10 | max_fail=5
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| 11 | # Interface whose DHCP data to use
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[2725] | 12 | if=${PWD##*/dhcp_}
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| 13 | if=${if%%_pinger}
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| 14 |
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[3621] | 15 | msg() {
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| 16 | echo "`date '+%Y-%m-%d %H:%M:%S'` $*" >>"$0.log"
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| 17 | }
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| 18 |
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[2725] | 19 | if test -f "$0.log"; then
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| 20 | tail -999 "$0.log" >"$0.log.new"
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| 21 | mv "$0.log.new" "$0.log"
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| 22 | fi
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| 23 |
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[3621] | 24 | test -f "/var/service/dhcp_$if/env.out" || exec env - sleep "$ping_time"
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[2725] | 25 |
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[3621] | 26 | . "/var/service/dhcp_$if/env.out"
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| 27 | test x"$router" != x"" || exec env - sleep "$ping_time"
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[2725] | 28 |
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[3621] | 29 | #msg "Pinging $router"
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| 30 | failcnt=0
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| 31 | while true; do
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| 32 | ping $ping_opts "$router" && exec env - sleep "$ping_time"
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| 33 | : $((failcnt++))
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| 34 | msg "Failed to ping $router, fail count:$failcnt"
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| 35 | test $failcnt -ge $max_fail && break
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| 36 | env - sleep "$retry_time"
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| 37 | done
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[2725] | 38 |
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[3621] | 39 | test -d "/var/service/dhcp_$if" && {
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| 40 | msg "Restarting /var/service/dhcp_$if"
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| 41 | sv t "/var/service/dhcp_$if"
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| 42 | }
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| 43 | test -d "/var/service/supplicant_$if" && {
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| 44 | msg "Restarting /var/service/supplicant_$if"
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| 45 | sv t "/var/service/supplicant_$if"
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| 46 | }
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| 47 | exec env - sleep "$ping_time"
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